FIELD: drying technique; chemical, microbiological and food-processing industries. SUBSTANCE: evaporating chamber has delivery reservoir 2 mounted inside housing 3. Capillary tube 1 is located in lower portion of delivery chamber 2 and liquid product supply branch pipe with nozzle 6 are secured above delivery reservoir 2. Sublimating and evaporating chambers are divided by partition which is provided with hole whose center coincides with axis of capillary tube 1. Evaporating chamber is connected with condenser and vacuum pump by means of branch pipe 7. EFFECT: enhanced reliability. 2 dwg
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